FIPS Code | State | County name | 1993 Rural-urban continuum code | Description | County population 1990 |
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| 17001 | IL | Adams County | 5 | Nonmetro county with urban pop. of 20,000 or more, not adjacent to a metro area | 66,090 | | 17003 | IL | Alexander County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 10,626 | | 17005 | IL | Bond County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 14,991 | | 17007 | IL | Boone County | 2 | County in metro area of 250,000 to 1 million population | 30,806 | | 17009 | IL | Brown County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 5,836 | | 17011 | IL | Bureau County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 35,688 | | 17013 | IL | Calhoun County | 8 | Nonmetro county completely rural or less than 2,500 urban pop., adj. to metro area | 5,322 | | 17015 | IL | Carroll County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 16,805 | | 17017 | IL | Cass County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 13,437 | | 17019 | IL | Champaign County | 3 | County in metro area of fewer than 250,000 population | 173,025 | | 17021 | IL | Christian County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 34,418 | | 17023 | IL | Clark County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 15,921 | | 17025 | IL | Clay County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 14,460 | | 17027 | IL | Clinton County | 1 | Fringe county of a metro area with 1 million population or more | 33,944 | | 17029 | IL | Coles County | 5 | Nonmetro county with urban pop. of 20,000 or more, not adjacent to a metro area | 51,644 | | 17031 | IL | Cook County | 0 | Central county of a metro area with 1 million population or more | 5,105,067 | | 17033 | IL | Crawford County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 19,464 | | 17035 | IL | Cumberland County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 10,670 | | 17037 | IL | DeKalb County | 1 | Fringe county of a metro area with 1 million population or more | 77,932 | | 17039 | IL | De Witt County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 16,516 | | 17041 | IL | Douglas County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 19,464 | | 17043 | IL | DuPage County | 0 | Central county of a metro area with 1 million population or more | 781,666 | | 17045 | IL | Edgar County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 19,595 | | 17047 | IL | Edwards County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 7,440 | | 17049 | IL | Effingham County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 31,704 | | 17051 | IL | Fayette County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 20,893 | | 17053 | IL | Ford County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 14,275 | | 17055 | IL | Franklin County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 40,319 | | 17057 | IL | Fulton County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 38,080 | | 17059 | IL | Gallatin County | 8 | Nonmetro county completely rural or less than 2,500 urban pop., adj. to metro area | 6,909 | | 17061 | IL | Greene County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 15,317 | | 17063 | IL | Grundy County | 1 | Fringe county of a metro area with 1 million population or more | 32,337 | | 17065 | IL | Hamilton County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 8,499 | | 17067 | IL | Hancock County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 21,373 | | 17069 | IL | Hardin County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 5,189 | | 17071 | IL | Henderson County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 8,096 | | 17073 | IL | Henry County | 2 | County in metro area of 250,000 to 1 million population | 51,159 | | 17075 | IL | Iroquois County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 30,787 | | 17077 | IL | Jackson County | 5 | Nonmetro county with urban pop. of 20,000 or more, not adjacent to a metro area | 61,067 | | 17079 | IL | Jasper County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 10,609 | | 17081 | IL | Jefferson County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 37,020 | | 17083 | IL | Jersey County | 1 | Fringe county of a metro area with 1 million population or more | 20,539 | | 17085 | IL | Jo Daviess County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 21,821 | | 17087 | IL | Johnson County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 11,347 | | 17089 | IL | Kane County | 0 | Central county of a metro area with 1 million population or more | 317,471 | | 17091 | IL | Kankakee County | 3 | County in metro area of fewer than 250,000 population | 96,255 | | 17093 | IL | Kendall County | 1 | Fringe county of a metro area with 1 million population or more | 39,413 | | 17095 | IL | Knox County | 4 | Nonmetro county with urban pop. of 20,000 or more, adjacent to a metro area | 56,393 | | 17097 | IL | Lake County | 0 | Central county of a metro area with 1 million population or more | 516,418 | | 17099 | IL | La Salle County | 4 | Nonmetro county with urban pop. of 20,000 or more, adjacent to a metro area | 106,913 | | 17101 | IL | Lawrence County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 15,972 | | 17103 | IL | Lee County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 34,392 | | 17105 | IL | Livingston County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 39,301 | | 17107 | IL | Logan County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 30,798 | | 17109 | IL | McDonough County | 5 | Nonmetro county with urban pop. of 20,000 or more, not adjacent to a metro area | 35,244 | | 17111 | IL | McHenry County | 0 | Central county of a metro area with 1 million population or more | 183,241 | | 17113 | IL | McLean County | 3 | County in metro area of fewer than 250,000 population | 129,180 | | 17115 | IL | Macon County | 3 | County in metro area of fewer than 250,000 population | 117,206 | | 17117 | IL | Macoupin County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 47,679 | | 17119 | IL | Madison County | 0 | Central county of a metro area with 1 million population or more | 249,238 | | 17121 | IL | Marion County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 41,561 | | 17123 | IL | Marshall County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 12,846 | | 17125 | IL | Mason County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 16,269 | | 17127 | IL | Massac County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 14,752 | | 17129 | IL | Menard County | 3 | County in metro area of fewer than 250,000 population | 11,164 | | 17131 | IL | Mercer County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 17,290 | | 17133 | IL | Monroe County | 1 | Fringe county of a metro area with 1 million population or more | 22,422 | | 17135 | IL | Montgomery County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 30,728 | | 17137 | IL | Morgan County | 4 | Nonmetro county with urban pop. of 20,000 or more, adjacent to a metro area | 36,397 | | 17139 | IL | Moultrie County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 13,930 | | 17141 | IL | Ogle County | 2 | County in metro area of 250,000 to 1 million population | 45,957 | | 17143 | IL | Peoria County | 2 | County in metro area of 250,000 to 1 million population | 182,827 | | 17145 | IL | Perry County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 21,412 | | 17147 | IL | Piatt County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 15,548 | | 17149 | IL | Pike County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 17,577 | | 17151 | IL | Pope County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 4,373 | | 17153 | IL | Pulaski County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 7,523 | | 17155 | IL | Putnam County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 5,730 | | 17157 | IL | Randolph County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 34,583 | | 17159 | IL | Richland County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 16,545 | | 17161 | IL | Rock Island County | 2 | County in metro area of 250,000 to 1 million population | 148,723 | | 17163 | IL | St. Clair County | 0 | Central county of a metro area with 1 million population or more | 262,852 | | 17165 | IL | Saline County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 26,551 | | 17167 | IL | Sangamon County | 3 | County in metro area of fewer than 250,000 population | 178,386 | | 17169 | IL | Schuyler County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 7,498 | | 17171 | IL | Scott County | 9 | Nonmetro county completely rural or less than 2,500 urban pop., not adj. to metro area | 5,644 | | 17173 | IL | Shelby County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 22,261 | | 17175 | IL | Stark County | 8 | Nonmetro county completely rural or less than 2,500 urban pop., adj. to metro area | 6,534 | | 17177 | IL | Stephenson County | 4 | Nonmetro county with urban pop. of 20,000 or more, adjacent to a metro area | 48,052 | | 17179 | IL | Tazewell County | 2 | County in metro area of 250,000 to 1 million population | 123,692 | | 17181 | IL | Union County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 17,619 | | 17183 | IL | Vermilion County | 4 | Nonmetro county with urban pop. of 20,000 or more, adjacent to a metro area | 88,257 | | 17185 | IL | Wabash County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 13,111 | | 17187 | IL | Warren County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 19,181 | | 17189 | IL | Washington County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 14,965 | | 17191 | IL | Wayne County | 7 | Nonmetro county with urban pop. of 2,500-19,999, not adjacent to a metro area | 17,241 | | 17193 | IL | White County | 6 | Nonmetro county with urban pop. of 2,500-19,999, adjacent to a metro area | 16,522 | | 17195 | IL | Whiteside County | 4 | Nonmetro county with urban pop. of 20,000 or more, adjacent to a metro area | 60,186 | | 17197 | IL | Will County | 0 | Central county of a metro area with 1 million population or more | 357,313 | | 17199 | IL | Williamson County | 5 | Nonmetro county with urban pop. of 20,000 or more, not adjacent to a metro area | 57,733 | | 17201 | IL | Winnebago County | 2 | County in metro area of 250,000 to 1 million population | 252,913 | | 17203 | IL | Woodford County | 2 | County in metro area of 250,000 to 1 million population | 32,653 |
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